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Finding the Fourth Proportional to 56,560.80, 84,819.60 and 17,104.80

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Solution

The fourth proportional to 56,560.80, 84,819.60 and 17,104.80 is: 25,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,560.80 : 84,819.60 = 17,104.80 : x
  2. Step 2: Convert to fraction form
    56,560.80/84,819.60 = 17,104.80/x
  3. Step 3: Cross multiply
    56,560.80x = 84,819.60 × 17,104.80
  4. Step 4: Simplify right side
    56,560.80x = 1,450,822,294.08
  5. Step 5: Solve for x
    x = 1,450,822,294.08/56,560.80
  6. Step 6: Final answer
    x = 25,650.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.